[profiler_capture_api] started migration of ProfilerRequests EBus to AZ::Interface

Signed-off-by: AMZN-ScottR <24445312+AMZN-ScottR@users.noreply.github.com>

Code/Framework/AzCore/AzCore/Debug/Profiler.cpp

@@ -26,23 +26,32 @@ namespace AZ::Debug
 
     void ProfilerCaptureFrame([[maybe_unused]] const AZ::ConsoleCommandContainer& arguments)
     {
-        AZStd::string captureFile = GenerateOutputFile("single");
-        AZLOG_INFO("Setting capture file to %s", captureFile.c_str());
-        AZ::Debug::ProfilerRequestBus::Broadcast(&AZ::Debug::ProfilerRequestBus::Events::CaptureFrame, captureFile);
+        if (auto profilerSystem = ProfilerSystemInterface::Get(); profilerSystem)
+        {
+            AZStd::string captureFile = GenerateOutputFile("single");
+            AZLOG_INFO("Setting capture file to %s", captureFile.c_str());
+            profilerSystem->CaptureFrame(captureFile);
+        }
     }
     AZ_CONSOLEFREEFUNC(ProfilerCaptureFrame, AZ::ConsoleFunctorFlags::DontReplicate, "Capture a single frame of profiling data");
 
     void ProfilerStartCapture([[maybe_unused]] const AZ::ConsoleCommandContainer& arguments)
     {
-        AZStd::string captureFile = GenerateOutputFile("multi");
-        AZLOG_INFO("Setting capture file to %s", captureFile.c_str());
-        ProfilerRequestBus::Broadcast(&ProfilerRequestBus::Events::StartCapture, captureFile);
+        if (auto profilerSystem = ProfilerSystemInterface::Get(); profilerSystem)
+        {
+            AZStd::string captureFile = GenerateOutputFile("multi");
+            AZLOG_INFO("Setting capture file to %s", captureFile.c_str());
+            profilerSystem->StartCapture(captureFile);
+        }
     }
     AZ_CONSOLEFREEFUNC(ProfilerStartCapture, AZ::ConsoleFunctorFlags::DontReplicate, "Start a multi-frame capture of profiling data");
 
     void ProfilerEndCapture([[maybe_unused]] const AZ::ConsoleCommandContainer& arguments)
     {
-        AZ::Debug::ProfilerRequestBus::Broadcast(&AZ::Debug::ProfilerRequestBus::Events::EndCapture);
+        if (auto profilerSystem = ProfilerSystemInterface::Get(); profilerSystem)
+        {
+            profilerSystem->EndCapture();
+        }
     }
     AZ_CONSOLEFREEFUNC(ProfilerEndCapture, AZ::ConsoleFunctorFlags::DontReplicate, "End and dump an in-progress continuous capture");
 

Code/Framework/AzCore/AzCore/Debug/ProfilerBus.h

@@ -43,16 +43,9 @@ namespace AZ
         * ProfilerRequests provides an interface for making profiling system requests
         */
         class ProfilerRequests
-            : public AZ::EBusTraits
         {
         public:
-            // EBusTraits overrides
-            static constexpr AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
-            static constexpr AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
-
-            // Allow multiple threads to concurrently make requests
-            using MutexType = AZStd::mutex;
-
+            AZ_RTTI(ProfilerRequests, "{90AEC117-14C1-4BAE-9704-F916E49EF13F}");
             virtual ~ProfilerRequests() = default;
 
             //! Getter/setter for the profiler active state
@@ -66,7 +59,21 @@ namespace AZ
             virtual bool StartCapture(AZStd::string outputFilePath) = 0;
             virtual bool EndCapture() = 0;
         };
-        using ProfilerRequestBus = AZ::EBus<ProfilerRequests>;
+
+        class ProfilerRequestsTraits
+            : public AZ::EBusTraits
+        {
+        public:
+            // EBusTraits overrides
+            static constexpr AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
+            static constexpr AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
+
+            // Allow multiple threads to concurrently make requests
+            using MutexType = AZStd::mutex;
+        };
+
+        using ProfilerSystemInterface = AZ::Interface<ProfilerRequests>;
+        using ProfilerRequestBus = AZ::EBus<ProfilerRequests, ProfilerRequestsTraits>;
 
         //! helper function for getting the profiler capture location from the settings registry that
         //! includes fallback handing in the event the registry value can't be determined

Code/Framework/AzCore/AzCore/IO/Streamer/StreamerComponent.cpp

@@ -156,7 +156,10 @@ namespace AZ
     void StreamerComponent::OnTick([[maybe_unused]] float deltaTime, [[maybe_unused]] AZ::ScriptTimePoint time)
     {
         bool isEnabled = false;
-        AZ::Debug::ProfilerRequestBus::BroadcastResult(isEnabled, &AZ::Debug::ProfilerRequests::IsActive);
+        if (auto profilerSystem = AZ::Debug::ProfilerSystemInterface::Get(); profilerSystem)
+        {
+            isEnabled = profilerSystem->IsActive();
+        }
 
         if (isEnabled)
         {

Gems/PhysX/Code/Source/Scene/PhysXScene.cpp

@@ -1175,7 +1175,10 @@ namespace PhysX
         using physx::PxGeometryType;
 
         bool isProfilingActive = false;
-        AZ::Debug::ProfilerRequestBus::BroadcastResult(isProfilingActive, &AZ::Debug::ProfilerRequests::IsActive);
+        if (auto profilerSystem = AZ::Debug::ProfilerSystemInterface::Get(); profilerSystem)
+        {
+            isProfilingActive = profilerSystem->IsActive();
+        }
 
         if (!isProfilingActive)
         {

Gems/Profiler/Code/Source/ImGuiCpuProfiler.cpp

@@ -154,10 +154,7 @@ namespace Profiler
 
         if (m_captureToFile)
         {
-            AZ::Debug::ProfilerRequestBus::Broadcast(
-                &AZ::Debug::ProfilerRequestBus::Events::CaptureFrame,
-                GenerateOutputFile("single")
-            );
+            AZ::Debug::ProfilerSystemInterface::Get()->CaptureFrame(GenerateOutputFile("single"));
         }
         m_captureToFile = false;
 
@@ -198,17 +195,15 @@ namespace Profiler
         bool isInProgress = CpuProfiler::Get()->IsContinuousCaptureInProgress();
         if (ImGui::Button(isInProgress ? "End" : "Begin"))
         {
+            auto profilerSystem = AZ::Debug::ProfilerSystemInterface::Get();
             if (isInProgress)
             {
-                AZ::Debug::ProfilerRequestBus::Broadcast(&AZ::Debug::ProfilerRequestBus::Events::EndCapture);
+                profilerSystem->EndCapture();
                 m_paused = true;
             }
             else
             {
-                AZ::Debug::ProfilerRequestBus::Broadcast(
-                    &AZ::Debug::ProfilerRequestBus::Events::StartCapture,
-                    GenerateOutputFile("multi")
-                );
+                profilerSystem->StartCapture(GenerateOutputFile("multi"));
             }
         }
 

Gems/Profiler/Code/Source/ProfilerSystemComponent.cpp

@@ -128,10 +128,18 @@ namespace Profiler
 
     ProfilerSystemComponent::ProfilerSystemComponent()
     {
+        if (AZ::Debug::ProfilerSystemInterface::Get() == nullptr)
+        {
+            AZ::Debug::ProfilerSystemInterface::Register(this);
+        }
     }
 
     ProfilerSystemComponent::~ProfilerSystemComponent()
     {
+        if (AZ::Debug::ProfilerSystemInterface::Get() == this)
+        {
+            AZ::Debug::ProfilerSystemInterface::Unregister(this);
+        }
     }
 
     void ProfilerSystemComponent::Activate()